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there's not a better stud setup on the market today
Order the pulley recommended for your year/make
Note: VE Rotary injection pump should have an upgraded fuel pin installed or little to no gain will be seen from injector upgrade
Fasteners are centerless ground to ensure concentricity and any surface defects from heat treating are removed
stronger pushrods recommended for this setup
2003-2007 Cummins 5.9L ATI Super Damper Harmonic Balancer (917374) L5P there's not a better stud2003 2007 Cummins 5. 9L ATI Super Damper Harmonic Balancer (917374) ATI Super Damper diesel harmonic balancers are designed with absolute precision in mind and are one of the highest quality harmonic balancers purpose built for Cummins, Duramax, and Power Stroke diesel engines. These dampers eliminate torsional vibration at the crankcase to significantly reduce wear on your engine, as well as allow power to come on much quicker and smoother to balance